.brand-ul li{
    float: left;
    width: 25%;
    border-right: 1px solid #f5f5f5;
    border-bottom: 1px solid #f5f5f5;
}
.brand-ul li:nth-of-type(4n){
    border-right: none;
}
.brand-ul li a{
    width: 100%;
}
.brand-ul p{
    color: #676767;
    padding: 20px 0;
}
.brand-ul img{
    width: 60%;
    margin: 20px auto 0 auto;
}